Best Client Letter Ever?

I’ve gotten some nice letters from clients, but nothing to match Mick Jagger’s 1969 letter to Andy Warhol, as reproduced by Swiss Miss. I especially like this line: “please write back saying how much money you would like.”
The album cover that Warhol designed was for “Sticky Fingers.” It was controversial because it was slightly obscene and incorporated an actual zipper on the front of the album:
But it sold extremely well. How much money Warhol asked for, I don’t know.